package com.studyadmin.mapper;

import com.studyadmin.entity.Chapter;
import com.baomidou.mybatisplus.core.mapper.BaseMapper;

/**
 * <p>
 * 章节表 Mapper 接口
 * </p>
 *
 * @author lyl
 * @since 2023-03-19
 */
public interface ChapterMapper extends BaseMapper<Chapter> {
    int countChapter (String stuNum,Integer courseId);


}
